package org.microblog.service.impl;

import org.microblog.dao.CollectionDao;
import org.microblog.dao.LikesDao;
import org.microblog.dao.impl.CollectionDaoImpl;
import org.microblog.dao.impl.LikesDaoImpl;
import org.microblog.entity.Blog;
import org.microblog.entity.Likes;
import org.microblog.service.LikesService;
import org.microblog.util.DatabaseUtil;
import org.microblog.util.Page;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.sql.Connection;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
@Service("likesService")
public class LikesServiceImpl implements LikesService {
    @Autowired
    private LikesDao likesDao;

    public void setLikesDao(LikesDao likesDao) {
        this.likesDao = likesDao;
    }

    @Override
    public int getLikeCountByBid(int bid) throws SQLException {
//        Connection conn = null;
//        try{
//            conn  = DatabaseUtil.getConnection();
//            return new LikesDaoImpl(conn).getLikeCountByBid(bid);
//        }catch(SQLException e){
//            e.printStackTrace();
//            throw e;
//        }finally{
//            DatabaseUtil.closeAll(conn,null,null);
//        }
        int ret=likesDao.getLikeCountByBid(bid);
        return ret;
    }

    @Override
    public int deleteLikesByBid(int bid) throws SQLException {
        //Connection conn = null;
        int result;
        try {
           // conn = DatabaseUtil.getConnection();
            //conn.setAutoCommit(false);

           // LikesDao likesDao = new LikesDaoImpl(conn);
            result = likesDao.deleteLikesByBid(bid);

            //conn.commit();
        } catch (SQLException e) {
            e.printStackTrace();
//            if (conn != null)
//                try {
//                    conn.rollback();
//                } catch (SQLException e1) {
//                    e1.printStackTrace();
//                }
            throw e;
        } finally {
          //  DatabaseUtil.closeAll(conn, null, null);
        }
        return result;

    }

    @Override
    public void getLikeBlogsByPage(int uid, String keyword, Page pageObj) throws SQLException {
       // Connection conn = null;
        try{
            //conn = DatabaseUtil.getConnection();
            //LikesDao likesDao = new LikesDaoImpl(conn);
            int totalCount = likesDao.getLikesCountByUidAndKeyword(uid,keyword);
            pageObj.setTotalCount(totalCount); // 设置总数量并计算总页数
            if (totalCount > 0) {
                // 对末页进行控制
                if (pageObj.getCurrPageNo() > pageObj.getTotalPageCount())
                    pageObj.setCurrPageNo(pageObj.getTotalPageCount());
                // 进行分页查询
                List<Blog> blogList = likesDao.getLikeBlogsByPage(uid,keyword,pageObj.getCurrPageNo(),pageObj.getPageSize());
                pageObj.setBlogsList(blogList);
            } else {
                pageObj.setCurrPageNo(0);
                pageObj.setBlogsList(new ArrayList<Blog>());
            }
        }catch(SQLException e){
            e.printStackTrace();
            throw e;
        }finally{
           // DatabaseUtil.closeAll(conn,null,null);
        }
    }

    @Override
    public int addLikes(Likes likes) throws SQLException {
       // Connection conn = null;
        int result;
        try {
           // conn = DatabaseUtil.getConnection();
            //conn.setAutoCommit(false);

           // LikesDao likesDao = new LikesDaoImpl(conn);
            if(likesDao.findLikes(likes.getUid(),likes.getBid())==null){
                result = likesDao.addLikes(likes);
            }else{
                result = -1;
            }
            //conn.commit();
        } catch (SQLException e) {
            e.printStackTrace();
//            if (conn != null)
//                try {
//                    conn.rollback();
//                } catch (SQLException e1) {
//                    e1.printStackTrace();
//                }
            throw e;
        } finally {
            //DatabaseUtil.closeAll(conn, null, null);
        }
        return result;
//        int ret=likesDao.addLikes(likes);
//        return ret;
    }

    @Override
    public Likes findLikes(int uid, int bid) throws SQLException {
        Likes ret=likesDao.findLikes(uid,bid);
        return ret;
    }

    @Override
    public int deleteLikes(Likes likes) throws SQLException {
       // Connection conn = null;
        int result;
        try {
            //conn = DatabaseUtil.getConnection();
            //conn.setAutoCommit(false);

            //LikesDao likesDao = new LikesDaoImpl(conn);
            if(likesDao.findLikes(likes.getUid(),likes.getBid())!=null){
                result = likesDao.deleteLikes(likes);
            }else{
                result = -1;
            }
           // conn.commit();
        } catch (SQLException e) {
            e.printStackTrace();
//            if (conn != null)
//                try {
//                    conn.rollback();
//                } catch (SQLException e1) {
//                    e1.printStackTrace();
//                }
            throw e;
        } finally {
            //DatabaseUtil.closeAll(conn, null, null);
        }
        return result;
//        int ret=likesDao.deleteLikes(likes);
//        return ret;
    }
}
